R01UH0136EJ0210 Rev.2.10
Page 312 of 800
Jul 31, 2012
M16C/64A Group
18. Timer B
18.3.1.3
Count Source
Internal clocks are counted in timer mode, pulse period measurement mode, and pulse width
measurement mode. Refer to Figure 18.1 “Timer A and B Count Sources” for details. Table 18.4 lists
Timer B Count Sources.
f1 is any of the clocks listed below. Refer to 8. “Clock Generator” for details.
•
Main clock divided by 1 (no division)
•
PLL clock divided by 1 (no division)
•
fOCO-S divided by 1 (no division)
Table 18.4
Timer B Count Sources
Count
Source
Bit Setting Value
Remarks
PCLK0
TCS3
TCS2 to TCS0
TCK1 to
TCK0
TCS7
TCS6 to TCS4
f1TIMAB
1
0
-
00b
f1
1
000b
-
f2TIMAB
0
0
-
00b
f1 divided by 2
1
000b
-
f8TIMAB
-
0
-
01b
f1 divided by 8
1
001b
-
f32TIMAB
-
0
-
10b
f1 divided by 32
1
010b
-
f64TIMAB
-
1
011b
-
f1 divided by 64
fOCO-S
-
1
101b
-
fOCO-S
fC32
-
0
-
11b
fC32
1
110b
-
PCLK0: Bit in the PCLKR register
TCS7 to TCS0: Bits in registers TBCS0 to TBCS3
TCK1 to TCK0: Bits in the TBiMR register (i = 0 to 5)
Содержание M16C/60 Series
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